<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>标题标签</title>
</head>
<body>
    <!--注意: 标题标签一共有6级,数字越大,标题越小,一个标签总是独占一行 -->
    <h1>小束</h1>
    <h2>阿拉松</h2>
    <h3>张三</h3>
    <h4>李四</h4>
    <h5>郑爽</h5>
    <h6>李宇春</h6>
</body>
</html>